3278307828 has 24 divisors (see below), whose sum is σ = 7650528480. Its totient is φ = 1092605920.

The previous prime is 3278307827. The next prime is 3278307833. The reversal of 3278307828 is 8287038723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278307827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84943 + ... + 117353.

It is an arithmetic number, because the mean of its divisors is an integer number (318772020).

Almost surely, 2^3278307828 is an apocalyptic number.

It is an amenable number.

3278307828 is an abundant number, since it is smaller than the sum of its proper divisors (4372220652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3278307828 is a wasteful number, since it uses less digits than its factorization.

3278307828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40847 (or 40845 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 3278307828 is about 57256.5090448239. The cubic root of 3278307828 is about 1485.5362146594.

The spelling of 3278307828 in words is "three billion, two hundred seventy-eight million, three hundred seven thousand, eight hundred twenty-eight".